package com.vgooo.client.tool.tester;

import com.umeng.analytics.MobclickAgent;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BlurMaskFilter;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.EmbossMaskFilter;
import android.graphics.MaskFilter;
import android.graphics.Paint;
import android.graphics.Path;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;

public class TestTouch extends BaseTestActivity {

	final static String KEY = "touch";

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		// TODO Auto-generated method stub
		super.onCreate(savedInstanceState);

		getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
				WindowManager.LayoutParams.FLAG_FULLSCREEN);
		requestWindowFeature(Window.FEATURE_NO_TITLE);

		setContentView(new MyView(this));
		init(KEY);

		mPaint = new Paint();
		mPaint.setAntiAlias(true);
		mPaint.setDither(true);
		mPaint.setColor(Color.parseColor("#ffffff"));
		mPaint.setStyle(Paint.Style.STROKE);
		mPaint.setStrokeJoin(Paint.Join.ROUND);
		mPaint.setStrokeCap(Paint.Cap.ROUND);
		mPaint.setStrokeWidth(12);

		mEmboss = new EmbossMaskFilter(new float[] { 1, 1, 1 }, 0.4f, 6, 3.5f);

		mBlur = new BlurMaskFilter(8, BlurMaskFilter.Blur.NORMAL);
	}

	@Override
	protected void onResume() {
		// TODO Auto-generated method stub
		// 友盟统计功能，打开页面
		MobclickAgent.onResume(this);
		super.onResume();
	}
	
	@Override
	protected void onPause() {
		// TODO Auto-generated method stub
		// 友盟统计功能，页面关闭
		MobclickAgent.onPause(this);
		super.onPause();
	}
	
	
	private Paint mPaint;
	private MaskFilter mEmboss;
	private MaskFilter mBlur;

	public void colorChanged(int color) {
		mPaint.setColor(color);
	}

	public class MyView extends View {

		private static final float MINP = 0.25f;
		private static final float MAXP = 0.75f;

		private Bitmap mBitmap;
		private Canvas mCanvas;
		private Path mPath;
		private Paint mBitmapPaint;

		public MyView(Context c) {
			super(c);
			

			float density = getDensity();
			float densityWidth = getDensityWidth();
			float densityHeight = getDensityHeight();
			// ����DIP
			int widthPx = (int) ((1 * density + 0.5f) * densityWidth);
			int heightPx = (int) ((1 * density + 0.5f) * densityHeight);

			mBitmap = Bitmap.createBitmap(widthPx, heightPx, Bitmap.Config.RGB_565);
			mCanvas = new Canvas(mBitmap);
			mPath = new Path();
			mBitmapPaint = new Paint(Paint.DITHER_FLAG);
			
			setBackgroundColor(Color.parseColor("#a0a0a0"));
		}

		@Override
		protected void onSizeChanged(int w, int h, int oldw, int oldh) {
			super.onSizeChanged(w, h, oldw, oldh);
		}

		@Override
		protected void onDraw(Canvas canvas) {
			canvas.drawColor(0xffffff);

			canvas.drawBitmap(mBitmap, 0, 0, mBitmapPaint);

			canvas.drawPath(mPath, mPaint);
		}

		private float mX, mY;
		private static final float TOUCH_TOLERANCE = 4;

		private void touch_start(float x, float y) {
			mPath.reset();
			mPath.moveTo(x, y);
			mX = x;
			mY = y;
		}

		private void touch_move(float x, float y) {
			float dx = Math.abs(x - mX);
			float dy = Math.abs(y - mY);
			if (dx >= TOUCH_TOLERANCE || dy >= TOUCH_TOLERANCE) {
				mPath.quadTo(mX, mY, (x + mX) / 2, (y + mY) / 2);
				mX = x;
				mY = y;
			}
		}

		private void touch_up() {
			mPath.lineTo(mX, mY);
			// commit the path to our offscreen
			mCanvas.drawPath(mPath, mPaint);
			// kill this so we don't double draw
			// mPath.reset();
		}

		@Override
		public boolean onTouchEvent(MotionEvent event) {
			float x = event.getX();
			float y = event.getY();

			switch (event.getAction()) {
			case MotionEvent.ACTION_DOWN:
				touch_start(x, y);
				invalidate();
				break;
			case MotionEvent.ACTION_MOVE:
				touch_move(x, y);
				invalidate();
				break;
			case MotionEvent.ACTION_UP:
				touch_up();
				invalidate();
				break;
			}
			return true;
		}
	}

}
